Home / 2,690.58-4,032.18-1,458.66

Finding the Fourth Proportional to 2,690.58, 4,032.18 and 1,458.66

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Solution

The fourth proportional to 2,690.58, 4,032.18 and 1,458.66 is: 2,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.58 : 4,032.18 = 1,458.66 : x
  2. Step 2: Convert to fraction form
    2,690.58/4,032.18 = 1,458.66/x
  3. Step 3: Cross multiply
    2,690.58x = 4,032.18 × 1,458.66
  4. Step 4: Simplify right side
    2,690.58x = 5,881,579.68
  5. Step 5: Solve for x
    x = 5,881,579.68/2,690.58
  6. Step 6: Final answer
    x = 2,185.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.